Evaluation and test research on damping effectiveness of damping slippers

DOI:	10.11809/bqzbgcxb2023.07.015
Keywords:	damping slippers; rocket sled; irregularity of track; vibration
Abstract:	This paper analyzes on track dynamic characteristics of a low overload rocket sled system with damping slippers. A nonlinear numerical model of damping slippers is established through plane compression tests and shaking table tests. According to this model, the on track mechanical characteristics of the rocket sled system with damping slippers are analyzed in the simplified dynamic equation of the rocket sled, and the numerical results are verified through rocket sled tests. The calculation results show that the damping slippers can reduce the peak impact by 30%. Combined with the multi stage vibration reduction system of the rocket sled composed of flexible columns, the RMS of overload at the tested object after a low pass filtering of 400 Hz reduces to 15g, which meets the low overload requirements of the seeker and other tested objects in an on track mechanics environment of the rocket sled test.
Published:	2023-07-28
PDF HTML